Writing-machine.



7 O 9 l 1 A u D E T N E .T A P vRH N m U B A H M Gv B N B H II R W 5 9 9 a 00 0 APPLIOATION FILED AUG. 28', 1901. RENEWED FER 20, 1905. V

2 SHEETS-SHEET 1,

' v INVENTOR um/(d WITN ESS ES HIS ATTORNEY No. 839,995. PATENTED JAN. 1., 1907..

' E. B. HESS.

"WRITING MACHINE. '.APPLIOATION FILED AUG. 28,.1901. RENEWED FEB, 20, 1905.

JERSEYS-SHEET 2.

' INVENTOR EDWARD B. HESS. or NEWYORK, N.

cation.

borough of UNITED STATES PATENT: OFFICE.

'Y., ASSIGNOR, BY MESNE ASSIGN- MENTS,"TO ROYAL TYPEWRITER COMPANY, OF HOBOKEN. NEW JER- SEY, A CORPORATION NEW 'JERSEY.

'WRlTING-MACHINE.

Specification of Letters Patent.

Patented Jan. 1, 1907.

, Applieation'filed August 28, 1901- Bfinewed February 20, 1905- B'n'al No. 246,493.

To aZZ'whm-it may'cancern:

Be itknownfthat I, EDWARD B. Hess, a citizenlofltheUnited States, residing in the Brooklyn, city of New York, State of New-'Yerk, have invented certain new and useful Improvements Writinig Machines, of-which the following is a 'speci This invention is characterized by two features of primary importance, which while combined in a single Organization, as herein shown, are not; necessarily dependent upon each other. i

Generally the object-is to produce a ty ebar-actuatmg mechanism or movement t at shall be efiective,irequire a light touch on the finger-piece, and which is simple and economin construction. This end is best attained by the conj oint use of the two primary features of this invention, which will be described in detail.

1 a In the accompanying drawings, Figure 1 is a verticalflongitudinal section Fig. 2, adetail plan view ishowing the'two type-bars. Figs. 3 ,4, 5, '6, and 7 are detail views showing modifications of the construction illustrated in-Fig. 1 a

The primary feature relates to the'relative arrangement and action of the links or elements acted upon on the depression of the finger-piece to effect the printing movement of the t e-bar. This construction com-,

rises two inks or'bars-of unequal length, the orward ends of which are flexible connected;

The rear end of the longer oneis operatively connected to the heel'of the type-bar, and

the rear end of the shorter is connected'to a fixed. point intermediate the t e-bar pivot and said flexible connection. nthe depression of a finger-piece thef flexibly-united front ends of the two links are operated upon by any suitably-interposed devices to roduce an endwise movement of the longer ink to throw the type-bar to-' the printing point with a pull Another feature of this invention requires that one of the twolinks through or by which the pivoted type-bar is thrown to the print- Lug-point shall'be a spring and that its reaction shall serve in whole or in part to return the type-bar to and retain it in its normal position.

,In the organization hereinjdisclosed the of thiskind, and the best 'lars 7 on these'posts.-

from the end of whic link or art 24 extends r'earwardly from its point 0 connection with the art 20 directly to the heel of the type-bar. he flexing connection between the forward ends of 20 and 24 is a universal joint to the extent of yieldingh freelyin the angular displacement of eit er part, and the connection between the tat it yields freely to any an f lar displace ment due to the varying angu a r 'position'of the heel of the type-bar during the excursion tothe printing-point. ThlS universaljoint construction is material in a structure results are, in my judgment, obtainable by employing universal Joints at both points named. It is, how

ever, more material that there should be a rear end of the member or ink 24 and the t pe-bar is also a universal joint in the sense universal joint'at the front ends of the two members 20 and 24.

The fram'emay be of any appropriate construction. The platen 1 is mounted in a can riage 2, having an appropriate number of grooved lugs 3, that-em race and travel upon or along the upper and lower edges of a flat platesor: track 4, mountediin elon ated vertical brackets 5, having rearward --extending lugs or bosses that fit over and are adapted to slide vertically upon upri ht posts 6, suitably mounted in the frame, ti sition of theplaten bein' determined by colhe brackets 5 and the cross bar or plate 8, connecting them at the bottom, constitute a frame which may be elevated by means of one or more'arms 9, extending rearwardly froma rock-shaft 10, mounted 'injthe side lates of the frame,and at the left side of the machine projects forwardly an arm 11. Two straps 'or'links connected with this arm at different distances from its center of mo- ,tion i. 6., the axis of the rock-shaftare 'res ectively connected with shift-levers 12 an I3, having'finger-piece's 12 13 ap lied to the'ir upturned ends'at thefront o the machine.

The type-har-operating key-levers 14;, Fig. 1, are pivoted ator toward the rear of the machine and are provided at the front with fin er-pieces, as usual. .15 is a segment of or mary construction in which the type-bars lfifarepivote'd. The bars normally lie toward the'front of the machine, resting against e lower poa back-stop 17, and are adapted to strike against the front face of the platen. The

18, formed with aguide or way in which a ribbon-carrier 19 may be vertically vibrated.

The lower end of the ribbon-carrier is pivoted to the front end of a lever 20, pivoted in a projection 18 from the rear of the arm 18 and having its rearend connected by alink 21 with the center arm 22 ofthe universal bar 23. Obviously the ribbon will be carriedin front of the printing-point at the time-of impact of the type upon the platenand will drop to expose the printing-point as the typebar recedes and its actuating-key lever resumes' its normal position.

The type-.bar-actuating deviceswill for the movement be described with particular reference to Figs. land 2. To the heel of each type-bar is connected a link 24, which-extends forward under the type-bar and the forward end of which is connected by a loose flexingor hinge connection with the front (spring would 'be a 1 plates of the machine.

.end 'of the arm 20, which extends rearwardly to a fixed cross-bar 21, mountedin the side Obviously if the front ends of.thetwo'members. 2O 24 be forced down the part 24 will be movedendwise: toward the front of the machine and the type-bar will be thrown to the printing-point. This 0 plishet 'by a link 25', connecting said hinge or 'flexing jointwith the key-lever. If the )art 20 merely rocked aboutthe axisof'the edcross-bal 21, asuitable coil-or otherplied in the; ordinaryway to some part of t e mechanism, so that its reaction would hold the partsin normal position with the. type-bar .a'gains'tits backstop. In the construction here depicted, however, the member-20 is a sprin coiled around the crossbar-.21, 'its rear end 'eing carried unc er another cross-bar 26. The construction is sion of thespring is overcome movement is one w very clearly shown in Figsi 1 and'2. hen the key-lever is depressed, the upward tenand its reaction restores the parts to normal position. If desired, the action may be supplemented by light springs applied to appropriate parts of the mechanism. joint between the two. members 20 24 may be formed by bending the end 'ofthe former into afig'ure 8 shape, thus forming two eyes with which eyes at the ends of the links 24 25, respectively, engage.

It=will beseen that both .primary features of .this invention hereinbefore mentioned are gresentinthe construction shown in Fig. 1.

he partsmay be li ht'and inexpensive, the I "ch efficientlyactuates the: type-bar, and the finger-piece is characi terize by a soft or readily-yielding light eration may be conveniently accom- The loose flexing or hinge.

touch. \Moreover, at the end of the stroke or downward excursion of the key-lever it is cushioned bythe spring 20, no solid abutment being provided orrequired to limit its movement.

In Fi 3 the springmember 20 is shown as rigidly olted to the topof a fiat cross-bar 21. .Here,e however, the key-lever 14 is formed withan upward pro ection 14, carrying a roller 27, which'rides upon the spring member 20 in rear of its hinge connection with the forward end of the link 24, as shown in dotted lines of this figure.

dotted lines, the projection 14 may be longer and the roller 27 may ride upon the upper or longer link 24.

In Fig. 4 thelforward ends of the members 20 24, instead'of beingdirectly hinged-together, are eachihinged to a plate or flatlink 28, pivoted'in the upper end of the arm 14, rising from the key-lever.

In Fig. 5 the" construction is the same as that shown in Fig. 4, except that the keyver is dispensed with and the flat link 28 is pivoted at its upper end to the lower end of a stem 29, movable vertically in proper guides and having a finger-plece 30 applied to its upper end. In this construction the use of the link 28 permits of a true vertical movement of the stem. A link, such as 28, having substantially the same mode of operation, is claimed in the-patent-of Hess and Stoughton, No. 679,674, dated July 30, 1901. Y

In Fig.' 6the member 20 is bent at its end into figure 8 shape to form'two eyes, with the lower one of which the link 24 is connected,

the upper one being engaged by an eye in the end of a finger-plnece stem movable up and down in suitab e guides. Here there 'willbe'a slight angular displacement of the stem, which is provided for by elongating the lower guide-aperture in which it slides.

In Fig. 7 the member to form an -eye and is then extended vertically, as at 31, a finger piece being applied to its upper end.

All'of these constructions are character- 'ized by ,the'same general arrangement of They form an angularly-disparts 20-24. posed fljexin connection in which the point of 'flexure is in. front ofthe fixed point or axis 'aboutwhich the movement takes place. So far as the mere. movement is concerned the 20 is coiled at its end As shown in member 20 might be rigid and'merely rock about the axis or cross-bar 21. To attain, however, all the other'results sought by this invention, the member 20 is made resilient. Such a construction im arts the desired characteristics of touch eretofore mentioned and afl'ords an'energetic action of the typebar. p

I do not broadly claim herein an organization in which one or more of the parts or members through or by which power ini-' parted to a finger-piece is transmitted to a type-bar is made resilient and so arra'n ed as to either alone or when assisted by 0t er springsreturn. the type-bar to its normal posltion and also act,.if desired, to cushion the finger-piece at the bottom of its stroke, as such subject-matter will be claimed by me in another application, Serial N 0. 78,077, filed October 9, 1901. The present application is limited to an organization comprising the principle of arrangement of the links 20 24, which has been described.

I claim as my invention' 1. In a writing-machine, the combination of a platen, a pivoted type-bar, a flexing connection composed of two members united at their front ends by a universal .joint and ex tending rearwardly,one directly to a type bar and the other to a fixed point arranged below and in front of the type-bar pivot and means applied to the connection in front of the fixed point for depressing the universal joint-and thereby throwing the type-bar to the printing-point.-

2. In a writing-machine, the combination of a platen, a segmental type-bar support arranged below the plane of the platen, a typebar pivoted'at or near the end of the segment, a flexing connection composed of two members united at their front ends by a universal joint, and extending rearwardly, the upper one in a'direct line from the universal joint to the heel of the type-bar and the other in a direct line rearwardly and downwardly to a fixed point or axis and means applied to the connection in front of the fixed point to depress the universal joint and throw the type-bar to the printing-point.

3. In a writing-machine, the combination of aplaten, a segmental type-bar support arranged below the plane of the bar pivoted .ator near the end of the segment,'a flexing connection composed of two members united attheir front ends bya universaljoint, and extending rearwardly, the upper one in a direct line from the universal joint to the heel of the 'ty e-bar and the other in a direct line rearward ly and downwardly to a fixed point or axis, a. piv oted key-lever arranged below the flexing connection and a, 5o

link interposed between the key-lever and connection for the pnr ose set forth.

4:. Ina writing-mac 'ne, -thefcr' mbination of a platen, a segmental type-barsupport arranged below the plane of the platen, a typebar pivoted at or; near the'end of the segment, a flexing connection composed of two members united at their front .ends by anniversal joint, and extending rearwardly, the upper one in a direct line from the universal joint to the heel of the ty e-bar and the other in a direct line rearwar y and downwardly to 'a fixed. pointor axis,

a pivoted-keydever arranged below the fiexinigonnection ands; tween the keys.

link interposed directly platen, a type-- lever and the universal joint for the purpose set forth.

4 5. In a writing machine, the combination of a pivoted type-bar, a flexing connection composed of two members flexibly united at their front ends and extending rearwardly,.. one to the type-bar and the other to a fixed point, and meansacting with a pullapplled to the flexibly-connected ends of the two members for flexing them.

" 6. Ina writing-machine, the combination of a platen, a pivoted type-bar, a flexing connection composed of two members flexibly united at their front ends and extending rearwardly, one to the type-bar and the other to a fixed point, means acting with a pull applied to the flexibly-connected ends of the two members for flexing them,.and means for changing the relation of the type-bar pivot and platen.

7. In a writing-machine, the combination of a platen, a pivoted type-bar, a flexing connection composed of two members flexibly united at their front ends and extending rearwardly, one to the type-bar and the other to a fixed point, means acting with a pull applied to the flexibly-connected ends of the two members for flexing them, and means for shifting the platen.

8. In a writing-machine,.the combination of a platen, a pivoted type-bar, a type-baractuating connection comprising two members respectively connected at their rear ends to the type-bar and to a fixed point and at their front ends to a link, a finger-piece, and apart actuated thereby to which said link is pivoted to actuate the type-bar by a pull.

' 9. In a writing-machine, the combination of a platen, pivoted type-bars normally extending toward the front of the machine and .adapted to strike against the front face'of' the platen, flexing connections composed of two members flexibly united at their front ends and extending rearwardly, one to the type-bar and the other to a fixed point, and means applied to the flexibly-connected ends of the two members for flexing them.

10. In a writing-machine, the combination of a pivoted type-bar, a finger-piece, a spring mounted upon a fixed support and extending toward the front of the machine, and connections extending respectively from the typebar and from a part actuated by the fingerpiece to the free end of the spring, the operation being substantially as described.

11. In a writing-machine, the combination of a pivoted type-bar, a flexin'g' connection composed of two members flexibly united at their front ends and extending rearwardly,

one to the type-bar and the other to a fixed point, the latter being a 5 sprin adapted to yield laterall point. l

and meansfor flexing the con nection applled thereto in front of the fixed '12. In .a writing-machine, the combination of a pivoted type-bar, a flexing connection composed of two members flexibly united at their front ends and extending rearwardly, one to the type-bar and the other to a fixed point, the latter being a spring adapted to yield laterally, and means applied to the flexibly-connected ends of the two members for flexing-them-. 13. In a writing-machine, tion of a platen, a pivoted type-bar, a flexing connection composed of two members flexi bly united at their front endsiandextending the1 type-bar; and thefi fixed point, the; latter beingr a,

rearwardly, one to other to a spring adapted to yield laterally, means for flexing the connection applied thereto, in

front of thefixed point, and means for .changr ing the relation of the type-bar pivot and.

platen. I

14. Ina writing machine, othe combination of a platen, a pivoted typerbar, a typebar-actuating I members respectively connected at their rear ends to the type-bar and toaa fixed.

"and adapted to strike the combinai.

other to a fixed point,

tion of a pivoted type-bar,

connection comprising two front of the. machine against the front face connections composed ly united at their fro ends and extending rearwardly," one to the type-bar and the other to a fixed point, the latter being, a spring adapted to yield la'terall y, and means for flexing the connection applied thereto in front of the fixed point.

16.. In a writing-machine, the combination of a platen, a pivoted type-bar, a flexing connection composed of two members flexibly united at their front ends and extending rearw-ardly, 3 one to the type-bar and the of the; platenyflexin of two members flexi the connection in front of the fixed point and acting. to fl platen to pull the type-bar to the printingpoint.

a flexing connec tion composed of two links of uric ual length flexibly united at their front en s and extending rearwardly, the longer one to the type-barand the shorter one to a fixed point} and means applied to the flexibly-connected ends of the two members for flexing them.

In testimony whereof I havehereunto subscribed my name. i I

' EDWARD B1. miss.

Witnesses; I

L. F. BROWNING, KATHARINE MACLIAHON.

and means'applied to exit in a direction away from the In a writing-machine, the combina: 

